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{"id":458,"date":"2021-07-13T10:41:28","date_gmt":"2021-07-13T10:41:28","guid":{"rendered":"https:\/\/www.wikitechy.com\/interview-questions\/?p=458"},"modified":"2021-09-13T10:38:44","modified_gmt":"2021-09-13T10:38:44","slug":"what-is-data-structure","status":"publish","type":"post","link":"https:\/\/www.wikitechy.com\/interview-questions\/data-structure\/what-is-data-structure\/","title":{"rendered":"What is Data Structure ?"},"content":{"rendered":"<div class=\"TextHeading\">\n<div class=\"hddn\">\n<h2 id=\"what-is-data-structure\" class=\"color-pink\" style=\"text-align: justify;\">What is Data Structure ?<\/h2>\n<\/div>\n<\/div>\n<div class=\"Content\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<ul>\n<li>Data structures are used to store data in a computer in an organized form. In C language Different types of data structures are; Array, Stack, Queue, Linked List, Tree.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"TextHeading\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<h2 id=\"array\" class=\"color-blue\">Array<\/h2>\n<\/div>\n<\/div>\n<div class=\"Content\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<ul>\n<li>An Array is a collection of similar data type value in a single variable.<\/li>\n<li>An array is a derived data type in C, which is constructed from fundamental data type of C language.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"ImageContent\" style=\"text-align: justify;\">\n<div class=\"hddn\"><img decoding=\"async\" class=\"img-responsive center-block aligncenter\" src=\"https:\/\/cdn.wikitechy.com\/interview-questions\/data-structure\/array-in-data-structure.png\" alt=\" Array\" \/><\/div>\n<\/div>\n<div class=\"text-center row\" style=\"text-align: justify;\">\n<div class=\"col-sm-12\">\n<div id=\"bsa-zone_1590522538159-8_123456\"><\/div>\n<\/div>\n<\/div>\n<div class=\"TextHeading\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<h2 id=\"stack\" class=\"color-blue\">Stack<\/h2>\n<\/div>\n<\/div>\n<div class=\"Content\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<ul>\n<li>Stack is linear data structure.<\/li>\n<li>In stack addition of new data item and deletion of already existing data item is done from only one end, known as top.<\/li>\n<li>Working of stack on the basis of Last-in-First-out (LIFO) principal, it means last entered item remove first.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"ImageContent\" style=\"text-align: justify;\">\n<div class=\"hddn\"><img decoding=\"async\" class=\"img-responsive center-block aligncenter\" src=\"https:\/\/cdn.wikitechy.com\/interview-questions\/data-structure\/stack-in-data-structure.png\" alt=\" Stack\" \/><\/div>\n<\/div>\n<div class=\"TextHeading\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<h2 id=\"queue\" class=\"color-blue\">Queue<\/h2>\n<\/div>\n<\/div>\n<div class=\"Content\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<ul>\n<li>Queue is work on the principal of First-In-First-Out (FIFO), it means first entered item remove first.<\/li>\n<li>Queue have two end front and back, from front you can insert element and from back you can delete element.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"ImageContent\" style=\"text-align: justify;\">\n<div class=\"hddn\"><img decoding=\"async\" class=\"img-responsive center-block aligncenter\" src=\"https:\/\/cdn.wikitechy.com\/interview-questions\/data-structure\/queue-in-data-structure.png\" alt=\"Queue\" \/><\/div>\n<\/div>\n<div class=\"TextHeading\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<h2 id=\"linked-list\" class=\"color-blue\">Linked List<\/h2>\n<\/div>\n<\/div>\n<div class=\"Content\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<ul>\n<li>Linked list is a special type of data structure where all data elements are linked to one another.<\/li>\n<li>Linked list is the collection of nodes and every nodes contains two parts data part and address part.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"ImageContent\" style=\"text-align: justify;\">\n<div class=\"hddn\"><img decoding=\"async\" class=\"img-responsive center-block aligncenter\" src=\"https:\/\/cdn.wikitechy.com\/interview-questions\/data-structure\/linked-list-in-data-structure.png\" alt=\"Linked List\" \/><\/div>\n<\/div>\n<div class=\"TextHeading\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<h2 id=\"tree\" class=\"color-blue\">Tree<\/h2>\n<\/div>\n<\/div>\n<div class=\"Content\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<ul>\n<li>Stores data in a non linear form with one root node and sub nodes.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"ImageContent\">\n<div class=\"hddn\"><img decoding=\"async\" class=\"img-responsive center-block aligncenter\" src=\"https:\/\/cdn.wikitechy.com\/interview-questions\/data-structure\/tree-in-data-structure.png\" alt=\"Tree\" \/><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Answer : Data structures are used to store data in a computer in an organized 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